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3 years ago

Which number line can be used to find the distance between (–1, 2) and (–5, 2)?

Mathematics

2 answers:

gregori [183]3 years ago

6 0

Answer:

A on edgebuity

PIT_PIT [208]3 years ago

3 0

Negative is on the left side you can always create a number line

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Which table represents a function?

kumpel [21]

Answer:

A (the first table)

Step-by-step explanation:

A is a function because none of the x-values are paired with more than one y-value

4 0

4 years ago

En the line below.

igomit [66]

Answer:

y + 1 = - $\frac{2}{7}$ (x + 4)

Step-by-step explanation:

The equation of a line in point- slope form is

y - y₁ = m(x - x₁)

where m is the slope and (x₁, y₁) a point on the line

Calculate m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (- 4, - 1) and (x₂, y₂ ) = (3, - 3)

m = $\frac{-3+1}{3+4}$ = $\frac{-2}{7}$ = - $\frac{2}{7}$

and (x₁, y₁ ) = (- 4, - 1), then

y - (- 1) = - $\frac{2}{7}$ ( x - (- 4) ) , that is

y + 1 = - $\frac{2}{7}$ (x + 4) ← equation of line

8 0

3 years ago

In a talent show, the ratio of female performers to male performers is 6:2. If there are 80 performers in total, how many more m

mina [271]

Answer:

There are 40 more females than males.

In total there would be 60 females, and 20 males.

Step-by-step explanation:

6 0

2 years ago

Tom and same sit down to eat a pie. Tom eats 2/3 of the pie , and sam eats 1/4 of the pie what function of the pie is left

dlinn [17]

If you mean fraction,

Tom: 2/3

Sam: 1/4

Now we change the denominator.

Tom: 6/12

Sam: 3/12

6/12 + 3/12 = 9/12

9/12 can be simplified, so 3/4 of the pie was eaten.

4/4 - 3/4 = 1/4

The answer is 1/4.

5 0

4 years ago

ABCD- parallelogram, If the perimeter of Triangle CPQ is 15cm, Find the perimeter of triangle BAQ. Find the perimeter of triangl

melamori03 [73]

Answer:

The answer is below

Step-by-step explanation:

A parallelogram is a quadrilateral (has 4 sides and 4 angle) with two pair of parallel and opposite sides. Opposite sides of a parallelogram are parallel and equal.

Given parallelogram ABCD:

AB = CD = 18 cm; BC = AD = 8 cm

∠P = ∠P, ∠PDA = ∠PCQ (corresponding angles are equal).

Hence ΔPCQ and ΔPDA are similar by angle-angle similarity theorem. For similar triangles, the ratio of their corresponding sides equal. Therefore:

$\frac{CD}{PC}= \frac{AD}{CQ}\\\\\frac{18}{6}=\frac{8}{x} \\\\x=\frac{6*8}{18}=\frac{8}{3}\ cm$

Perimeter of CPQ = CP + CQ + PQ

15 = 6 + 8/3 + PQ

PQ = 15 - (6 + 8/3)

PQ = 6.33

∠CQP = ∠AQB (vertical angles), ∠QCP = ∠QBA (alternate angles are equal).

Hence ΔCPQ and ΔABQ are similar by angle-angle similarity theorem

$\frac{AQ}{QP}=\frac{AB}{CP} \\\\\frac{AQ}{6.33} =\frac{18}{6} \\\\AQ=\frac{18}{6}*6.33\\\\AQ = 19$

$\frac{BQ}{CQ}=\frac{AB}{CP} \\\\\frac{BQ}{8/3} =\frac{18}{6} \\\\BQ=\frac{18}{6}*\frac{8}{3} \\\\BQ =8$

Perimeter of BAQ = AB + BQ + AQ = 18 + 8 + 19 = 45cm

PA = AQ + PQ = 19 + 6.33 = 25.33

PD = CD + DP = 18 + 6 = 24

Perimeter of PDA = PA + PD + AD = 24 + 25.33 + 8 = 57.33 cm

7 0

3 years ago